/*
 *
 *  Copyright 2020 krnSaurabh
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *
 */
package io.github.resilience4j.core.functions;

import java.util.function.BiFunction;

/**
 * A {@link BiFunction}-like interface which allows throwing Error.
 */
@FunctionalInterface
public interface CheckedBiFunction<T, U, R> {
    R apply(T t, U u) throws Throwable;

    default BiFunction<T, U, R> unchecked() {
        return (t, u) -> {
            try {
                return apply(t, u);
            } catch (Throwable x) {
                return sneakyThrow(x);
            }
        };
    }

    @SuppressWarnings("unchecked")
    static <T extends Throwable, R> R sneakyThrow(Throwable t) throws T {
        throw (T) t;
    }
}
